It sounds like you're looking for for the Tamil movie Vinnaithandi Varuvayaa (2010), and you found an "interesting write-up" — possibly a blog or article — that mentioned a download update for the subs.

This is the most reliable source for finding subtitles that match your specific video file.

If you’ve watched VTV without proper English subtitles, you’ve missed the soul of these moments. With our updated file, pay attention to: